Ventrol Trademarks

VENTROL
MEDICO-SURGICAL TUBE APPLIANCES
Cancelled  ·  September 15, 1972  ·  72435729  · 
VENTROL
Laundry Dryer Vents
Cancelled  ·  December 10, 1962  ·  72158760  · 
VENTROLA
VENTILATING FANS AND RANGE HOODS
Expired  ·  July 16, 1971  ·  72397626  · 
VENTROLATOR
Thermostatically Controlled Foundation Ventilators
Cancelled  ·  August 28, 1980  ·  73275918  ·